Which of the following acts as hydrogen donor in oxygenic photosynthesis?

Chlorophyll b

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_{2}

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_{2}

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NADPH

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Solution

The correct option is B H $_{2}$ O
Plants, algae and cyanobacteria release oxygen during photosynthesis. While different organisms may have differences during oxygenic photosynthesis, they all follow the general equation of :
Carbon dioxide + Water + Light energy ----> Carbohydrate + oxygen.
Thus, water acts as a hydrogen donor in oxygenic photosynthesis.

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Similar questions

Q. In the following equilibrium,

B + H_{2} O ⇌ {B H}^{+} + {O H}^{-}

H_{2} O (l) + S^{2 -} ⇌ {H S}^{-} + {O H}^{-}

In the equation for the reaction represented above, the species acting as acids (proton donors) are:

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Q. Which of the following act as a donor as well as acceptor ligand?

Question 07
During light reaction in photosynthesis the following are formed
(a) ATP and sugar (b) hydrogen, $O_{2}$ and sugar
(c) ATP , hydrogen donor and $O_{2}$ (d) ATP, hydrogen and $O_{2}$ donor

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